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These are the input settings for the Windows version of Terragen 3. The inputs for each part of the interface are listed and described, along with the mouse or key inputs.

The mouse and key inputs shown are for the Universal input presets, which is the default. You can choose different input presets in the Input Settings preferences panel. If you do choose a different set of presets you can see what the mouse or key inputs are by opening the Mouse and Key Settings Window from the Help menu in TG3.

The input settings for each item are shown in square brackets (i.e. [ a ] for the "a" key). Items may have more than one input. Some input settings use abbreviations. This is what the abbreviations mean:

These inputs are for the 3D Preview. There are separate sets of inputs for navigation and the painting mode. These are detailed further below.

Default click: The basic mouse click action [ LMB ] Add to selection click: Add the clicked item to the current selection (population instance editing only) [ Shift-LMB ] Orbit: Orbit the view [ Alt-LMB ] [ MMB ] Translate: Move or pan around the view [ Alt-Ctrl-LMB ] [ Alt-RMB ] Zoom: Zoom the view [ Alt-Shift-LMB ] [ Alt-MMB ] Zoom in: Zoom into the view [ = ] [ MW up ] Zoom out: Zoom out of the view [ - ] [ MW down ] Context click: Shows the context menu [ RMB ] Delete: Delete the selected item [ Del ] Restore population instance: Add a deleted population instance back to the population [ Shift-Del ] Reset population instance transform: Reset the transform for a population instance [ Shift-r ] Pause: Pause the 3D Preview [ p ] Reset: Reset the 3D Preview to default settings [ r ] Increase exposure: Increases the exposure of the camera being used by the preview [ = ] [ Num Pad + ] Decrease exposure: Decreases the exposure of the camera being used by the preview [ - ] [ Num Pad - ] Increase near clip distance: Increases the distance from the camera to the near clipping plane. If the preview starts to look peculiar, all kind of broken up, then adjusting the clipping plane distance may help to fix this. [ ] ] Decrease near clip distance: Decreases the distance from the camera to the near clipping plane. If the preview starts to look peculiar, all kind of broken up, then adjusting the clipping plane distance may help to fix this. [ [ ] Toggle focus point selection mode: This toggles the focus point selection mode, where you can click to set the focus point for the 3D Preview [ Shift-f ] Centre on focus point: Centres the view on the current focus point [ f ] Toggle Look At point selection mode: This toggles the Look At point selection mode, where you can click in the 3D Preview to move the camera look at the chosen point. [ Shift-l ] Fit to subject: Fit the 3D Preview to the selected item, or the item shown in an object or shader preview [ s ] Toggle auto exposure [ a ] Cancel action: Cancels the current action or exits the current mode [ Esc ] Open param view for selected item: Opens the param view for the currently selected item [ Alt-enter ] Drop selected to terrain: This drops the selected item to the terrain [ d ] Show drop point: Shows the drop point for the selected item. This is where the item would sit if it was dropped to the terrain. [ Shift-d ] Switch transform mode: This changes between transform modes for the selected item [ t ] Toggle compass: Shows or hides the compass in the top left of the preview [ c ] Change compass style: Rotates through the compass styles. At present there are two styles, a 2D compass showing heading and 3D XYZ axes [ Shift-c ] Toggle measure mode: Turns measure mode on or off [ m ] Copy view to current render camera: Copies the view to the current render camera [ enter ] Toggle Rule of Thirds guides: Shows or hides "Rule of Thirds" guides to help with composition [ 3 ] Toggle redraw elapsed time: Shows or hides a display of the average time it takes for the preview to render. This is shown in the bottom right of the 3D Preview [ e ] Toggle Depth-of-field preview: This turns the Depth-of-field preview or and off [ l ]

These inputs are used in the Render view, as well as the Image Preview window.

Pan: Click and drag to move around the render [ LMB ] Scroll left: Scroll the image left [ Shift-MW up ] [ MW left ] [ Shift-MW left ] Scroll right: Scroll the image right [ Shift-MW down ] [ MW right ] [ Shift-MW right ] Scroll up: Scroll the image up [ MW up ] Scroll down: Scroll the image down [ MW down ] Zoom in: Zoom into the image [ Alt-MW up ] Zoom out: Zoom out of the image [ Alt-MW down ] Windowed zoom: Do a windowed zoom, where you click and drag to select an area of the image to zoom in on [ Alt-RMB ] Best fit: Zooms the image to the largest size that fits in the view, or 100% [ f ] Show at 100%: Zooms the image to 100% [ 1 ] Context click: Shows the context menu [ RMB ] Toggle solo red channel: Shows only the red channel of the image [ r ] Toggle solo green channel: Shows only the green channel of the image [ g ] Toggle solo blue channel: Shows only the blue channel of the image [ b ] Toggle solo alpha channels: Shows only the alpha channel of the image [ a ]

These inputs are used in secondary view windows. These are the windows which open when choose to open a 3D Preview or network view in a new window.

If you open multiple views in a secondary view window then each view is shown in a separate tab. You can use these inputs to switch between tabs.

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A shader is a program or set of instructions used in 3D computer graphics to determine the final surface properties of an object or image. This can include arbitrarily complex descriptions of light absorption and diffusion, texture mapping, reflection and refraction, shadowing, surface displacement and post-processing effects. In Terragen 2 shaders are used to construct and modify almost every element of a scene.

A parameter is an individual setting in a node parameter view which controls some aspect of the node.

A single object or device in the node network which generates or modifies data and may accept input data or create output data or both, depending on its function. Nodes usually have their own settings which control the data they create or how they modify data passing through them. Nodes are connected together in a network to perform work in a network-based user interface. In Terragen 2 nodes are connected together to describe a scene.